<template>
    <div>
      <el-tabs type="border-card">
        <el-tab-pane label="秒" v-if="shouldHide('second')">
          <CrontabSecond @update="updateContabValue" :check="checkNumber" ref="cronsecond" />
        </el-tab-pane>
  
        <el-tab-pane label="分钟" v-if="shouldHide('min')">
          <CrontabMin
            @update="updateContabValue"
            :check="checkNumber"
            :cron="contabValueObj"
            ref="cronmin"
          />
        </el-tab-pane>
  
        <el-tab-pane label="小时" v-if="shouldHide('hour')">
          <CrontabHour
            @update="updateContabValue"
            :check="checkNumber"
            :cron="contabValueObj"
            ref="cronhour"
          />
        </el-tab-pane>
  
        <el-tab-pane label="日" v-if="shouldHide('day')">
          <CrontabDay
            @update="updateContabValue"
            :check="checkNumber"
            :cron="contabValueObj"
            ref="cronday"
          />
        </el-tab-pane>
  
        <el-tab-pane label="月" v-if="shouldHide('mouth')">
          <CrontabMouth
            @update="updateContabValue"
            :check="checkNumber"
            :cron="contabValueObj"
            ref="cronmouth"
          />
        </el-tab-pane>
  
        <el-tab-pane label="周" v-if="shouldHide('week')">
          <CrontabWeek
            @update="updateContabValue"
            :check="checkNumber"
            :cron="contabValueObj"
            ref="cronweek"
          />
        </el-tab-pane>
  
        <el-tab-pane label="年" v-if="shouldHide('year')">
          <CrontabYear
            @update="updateContabValue"
            :check="checkNumber"
            :cron="contabValueObj"
            ref="cronyear"
          />
        </el-tab-pane>
      </el-tabs>
  
      <div class="popup-main">
        <div class="popup-result">
          <p class="title">时间表达式</p>
          <table>
            <thead>
              <th v-for="item of tabTitles" width="40" :key="item">{{item}}</th>
              <th>crontab完整表达式</th>
            </thead>
            <tbody>
              <td>
                <span>{{contabValueObj.second}}</span>
              </td>
              <td>
                <span>{{contabValueObj.min}}</span>
              </td>
              <td>
                <span>{{contabValueObj.hour}}</span>
              </td>
              <td>
                <span>{{contabValueObj.day}}</span>
              </td>
              <td>
                <span>{{contabValueObj.mouth}}</span>
              </td>
              <td>
                <span>{{contabValueObj.week}}</span>
              </td>
              <td>
                <span>{{contabValueObj.year}}</span>
              </td>
              <td>
                <span>{{contabValueString}}</span>
              </td>
            </tbody>
          </table>
        </div>
        <CrontabResult :ex="contabValueString"></CrontabResult>
  
        <div class="pop_btn">
          <el-button size="small" type="primary" @click="submitFill">确定</el-button>
          <el-button size="small" type="warning" @click="clearCron">重置</el-button>
          <el-button size="small" @click="hidePopup">取消</el-button>
        </div>
      </div>
    </div>
  </template>
  
<script>
import CrontabSecond from "./Crontab-Second.vue";
import CrontabMin from "./Crontab-Min.vue";
import CrontabHour from "./Crontab-Hour.vue";
import CrontabDay from "./Crontab-Day.vue";
import CrontabMouth from "./Crontab-Mouth.vue";
import CrontabWeek from "./Crontab-Week.vue";
import CrontabYear from "./Crontab-Year.vue";
import CrontabResult from "./Crontab-Result.vue";
  
export default {
    name: "vcrontab",
    components: {
        CrontabSecond,
        CrontabMin,
        CrontabHour,
        CrontabDay,
        CrontabMouth,
        CrontabWeek,
        CrontabYear,
        CrontabResult,
    },
    props: ["expression", "hideComponent"],
    data() {
        return {
            tabTitles: ["秒", "分钟", "小时", "日", "月", "周", "年"],
            tabActive: 0,
            myindex: 0,
            contabValueObj: {
                second: "*",
                min: "*",
                hour: "*",
                day: "*",
                mouth: "*",
                week: "?",
                year: "",
            },
        };
    },
    computed: {
        contabValueString: function() {
            let obj = this.contabValueObj;
            let str =
          obj.second +
          " " +
          obj.min +
          " " +
          obj.hour +
          " " +
          obj.day +
          " " +
          obj.mouth +
          " " +
          obj.week +
          (obj.year == "" ? "" : " " + obj.year);
            return str;
        },
    },
    watch: {
        expression: "resolveExp",
        hideComponent(value) {
        // 隐藏部分组件
        },
    },
    mounted: function() {
        this.resolveExp();
    },
    methods: {
        shouldHide(key) {
            if (this.hideComponent && this.hideComponent.includes(key)) return false;
            return true;
        },
        resolveExp() {
        //反解析 表达式
            if (this.expression && typeof this.expression === 'string') {
                let arr = this.expression.split(" ");
                if (arr.length >= 6) {
                    //6 位以上是合法表达式
                    let obj = {
                        second: arr[0],
                        min: arr[1],
                        hour: arr[2],
                        day: arr[3],
                        mouth: arr[4],
                        week: arr[5],
                        year: arr[6] ? arr[6] : "",
                    };
                    this.contabValueObj = {
                        ...obj,
                    };
                    for (let i in obj) {
                        if (obj[i]) this.changeRadio(i, obj[i]);
                    }
                }
            } else {
                //没有传入的表达式 则还原
                this.clearCron();
            }
        },
        // tab切换值
        tabCheck(index) {
            this.tabActive = index;
        },
        // 由子组件触发，更改表达式组成的字段值
        updateContabValue(name, value, from) {
            "updateContabValue", name, value, from;
            this.contabValueObj[name] = value;
            if (from && from !== name) {
                console.log(`来自组件 ${from} 改变了 ${name} ${value}`);
                this.changeRadio(name, value);
            }
        },
        //赋值到组件
        changeRadio(name, value) {
            let arr = ["second", "min", "hour", "mouth"],
                refName = "cron" + name,
                insVlaue;
  
            if (!this.$refs[refName]) return;
  
            if (arr.includes(name)) {
                if (value === "*") {
                    insVlaue = 1;
                } else if (value.indexOf("-") > -1) {
                    let indexArr = value.split("-");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].cycle01 = 0)
                        : (this.$refs[refName].cycle01 = indexArr[0]);
                    this.$refs[refName].cycle02 = indexArr[1];
                    insVlaue = 2;
                } else if (value.indexOf("/") > -1) {
                    let indexArr = value.split("/");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].average01 = 0)
                        : (this.$refs[refName].average01 = indexArr[0]);
                    this.$refs[refName].average02 = indexArr[1];
                    insVlaue = 3;
                } else {
                    insVlaue = 4;
                    this.$refs[refName].checkboxList = value.split(",");
                }
            } else if (name == "day") {
                if (value === "*") {
                    insVlaue = 1;
                } else if (value == "?") {
                    insVlaue = 2;
                } else if (value.indexOf("-") > -1) {
                    let indexArr = value.split("-");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].cycle01 = 0)
                        : (this.$refs[refName].cycle01 = indexArr[0]);
                    this.$refs[refName].cycle02 = indexArr[1];
                    insVlaue = 3;
                } else if (value.indexOf("/") > -1) {
                    let indexArr = value.split("/");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].average01 = 0)
                        : (this.$refs[refName].average01 = indexArr[0]);
                    this.$refs[refName].average02 = indexArr[1];
                    insVlaue = 4;
                } else if (value.indexOf("W") > -1) {
                    let indexArr = value.split("W");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].workday = 0)
                        : (this.$refs[refName].workday = indexArr[0]);
                    insVlaue = 5;
                } else if (value === "L") {
                    insVlaue = 6;
                } else {
                    this.$refs[refName].checkboxList = value.split(",");
                    insVlaue = 7;
                }
            } else if (name == "week") {
                if (value === "*") {
                    insVlaue = 1;
                } else if (value == "?") {
                    insVlaue = 2;
                } else if (value.indexOf("-") > -1) {
                    let indexArr = value.split("-");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].cycle01 = 0)
                        : (this.$refs[refName].cycle01 = indexArr[0]);
                    this.$refs[refName].cycle02 = indexArr[1];
                    insVlaue = 3;
                } else if (value.indexOf("#") > -1) {
                    let indexArr = value.split("#");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].average01 = 1)
                        : (this.$refs[refName].average01 = indexArr[0]);
                    this.$refs[refName].average02 = indexArr[1];
                    insVlaue = 4;
                } else if (value.indexOf("L") > -1) {
                    let indexArr = value.split("L");
                    isNaN(indexArr[0])
                        ? (this.$refs[refName].weekday = 1)
                        : (this.$refs[refName].weekday = indexArr[0]);
                    insVlaue = 5;
                } else {
                    this.$refs[refName].checkboxList = value.split(",");
                    insVlaue = 7;
                }
            } else if (name == "year") {
                if (value == "") {
                    insVlaue = 1;
                } else if (value == "*") {
                    insVlaue = 2;
                } else if (value.indexOf("-") > -1) {
                    insVlaue = 3;
                } else if (value.indexOf("/") > -1) {
                    insVlaue = 4;
                } else {
                    this.$refs[refName].checkboxList = value.split(",");
                    insVlaue = 5;
                }
            }
            this.$refs[refName].radioValue = insVlaue;
        },
        // 表单选项的子组件校验数字格式（通过-props传递）
        checkNumber(value, minLimit, maxLimit) {
        //检查必须为整数
            value = Math.floor(value);
            if (value < minLimit) {
                value = minLimit;
            } else if (value > maxLimit) {
                value = maxLimit;
            }
            return value;
        },
        // 隐藏弹窗
        hidePopup() {
            this.$emit("hide");
        },
        // 填充表达式
        submitFill() {
            this.$emit("fill", this.contabValueString);
            this.hidePopup();
        },
        clearCron() {
        // 还原选择项
            ("准备还原");
            this.contabValueObj = {
                second: "*",
                min: "*",
                hour: "*",
                day: "*",
                mouth: "*",
                week: "?",
                year: "",
            };
            for (let j in this.contabValueObj) {
                this.changeRadio(j, this.contabValueObj[j]);
            }
        },
    },
};
</script>
  <style>
     .el-form-item .el-form-item {
        margin-bottom: 5px;
      }
  .pop_btn {
    text-align: center;
    margin-top: 20px;
  }
  .popup-main {
    position: relative;
    margin: 10px auto;
    background: #fff;
    border-radius: 5px;
    font-size: 12px;
    overflow: hidden;
  }
  .popup-title {
    overflow: hidden;
    line-height: 34px;
    padding-top: 6px;
    background: #f2f2f2;
  }
  .popup-result {
    box-sizing: border-box;
    line-height: 24px;
    margin: 25px auto;
    padding: 15px 10px 10px;
    border: 1px solid #ccc;
    position: relative;
  }
  .popup-result .title {
    position: absolute;
    top: -28px;
    left: 50%;
    width: 140px;
    font-size: 14px;
    margin-left: -70px;
    text-align: center;
    line-height: 30px;
    background: #fff;
  }
  .popup-result table {
    text-align: center;
    width: 100%;
    margin: 0 auto;
  }
  .popup-result table span {
    display: block;
    width: 100%;
    font-family: arial;
    line-height: 30px;
    height: 30px;
    white-space: nowrap;
    overflow: hidden;
    border: 1px solid #e8e8e8;
  }
  .popup-result-scroll {
    font-size: 12px;
    line-height: 24px;
    height: 10em;
    overflow-y: auto;
  }
  </style>